ca. 1933

[Possible/Probable] Exclusion of Jewish gymnasts and athletes issued by Reich Sports Commissioner [Germany] 

Commentary from other sources:
1) The “Reich Sports Commissioner” introduced “Aryan clause” in all sports clubs: Member can only be who can prove his “Aryan descent”.

Walk Joseph: “Nazi policy toward the Jews by law and regulation 1933 to 1938.” Google Translate; Das Sonderrecht fuer die Juden im NS-Staat; p. 18,3